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1. WO2020113753 - OLED PIXEL DRIVING CIRCUIT AND DISPLAY PANEL

Publication Number WO/2020/113753
Publication Date 11.06.2020
International Application No. PCT/CN2019/070241
International Filing Date 03.01.2019
IPC
G09G 3/3208 2016.01
GPHYSICS
09EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
22using controlled light sources
30using electroluminescent panels
32semiconductive, e.g. using light-emitting diodes
3208organic, e.g. using organic light-emitting diodes
CPC
G09G 3/3208
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix ; no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
22using controlled light sources
30using electroluminescent panels
32semiconductive, e.g. using light-emitting diodes [LED]
3208organic, e.g. using organic light-emitting diodes [OLED]
Applicants
  • 武汉华星光电半导体显示技术有限公司 WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 陈彩琴 CHEN, Caiqin
Agents
  • 深圳翼盛智成知识产权事务所(普通合伙) ESSEN PATENT&TRADEMARK AGENCY
Priority Data
201811477478.805.12.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) OLED PIXEL DRIVING CIRCUIT AND DISPLAY PANEL
(FR) CIRCUIT D'ATTAQUE DE PIXEL OLED ET PANNEAU D'AFFICHAGE
(ZH) OLED 像素驱动电路及显示面板
Abstract
(EN)
An OLED pixel driving circuit and a display panel. The OLED pixel driving circuit forms a 7T1C type pixel driving circuit by means of a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, a capacitor, and an organic light emitting diode. The first transistor, the second transistor, the third transistor, the fourth transistor, the fifth transistor, the sixth transistor, and the seventh transistor each have a control end, and a first end, and a second end. The control end of the seventh transistor is coupled to the second end, the control end of the fourth transistor is coupled to the second end, and the second end of the fourth transistor is not connected to the second end of the seventh transistor.
(FR)
L'invention concerne un circuit d'attaque de pixel oled et un panneau d'affichage. Le circuit d’attaque de pixel OLED forme un circuit d’attaque de pixel de type 7T1C au moyen d’un premier transistor, d’un deuxième transistor, d’un troisième transistor, d’un quatrième transistor, d’un cinquième transistor, d’un sixième transistor, d’un septième transistor, d’un condensateur et d’une diode électroluminescente organique. Le premier transistor, le deuxième transistor, le troisième transistor, le quatrième transistor, le cinquième transistor, le sixième transistor et le septième transistor présentent chacun une extrémité de commande, ainsi qu’une première extrémité et une seconde extrémité. L'extrémité de commande du septième transistor est couplée à la seconde extrémité, l'extrémité de commande du quatrième transistor est couplée à la seconde extrémité, et la seconde extrémité du quatrième transistor n'est pas connectée à la seconde extrémité du septième transistor.
(ZH)
一种OLED像素驱动电路及显示面板,所述OLED像素驱动电路由一第一晶体管、一第二晶体管、一第三晶体管、一第四晶体管、一第五晶体管、一第六晶体管、一第七晶体管、一电容器及一有机发光二极管构成一7T1C型式的像素驱动电路,所述第一晶体管、所述第二晶体管、所述第三晶体管、所述第四晶体管、所述第五晶体管、所述第六晶体管及所述第七晶体管分别具有一控制端、一第一端及一第二端,所述第七晶体管的控制端与第二端耦接,所述第四晶体管的控制端与第二端耦接,所述第四晶体管的第二端与所述第七晶体管的第二端互不连接。
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